Footwear upper



FIG. 1 is a perspective view of the footwear upper embodying the new design;

FIG. 2 is a top view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a rear view thereof.

FIGS. 1-6 show portions of an article of footwear in dot-dot-dash broken lines. The article of footwear portions illustrated in dot-dot-dash broken lines are shown for environmental purposes and form no part of the claimed design. Further, the dot-dot-dash broken lines immediately adjacent the solid-line portions of the design form the boundary of the design. The even length broken lines in the figures depict stitching, which does form a part of the claimed design. 

CLAIM The ornamental design for a footwear upper, as shown and described. 